Directional

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  directional \directional\ adj.
     1. of or pertaining to direction (definition 2).
        [WordNet 1.5]
  
     2. serving to indicate direction.
        [PJC]


  
     3. (Radio) transmitting radio signals in a specific
        direction, or receiving signals only from a narrow angle
        of directions, thus serving to indicate the direction from
        which radio signals are coming. Used of antennas; as, a
        directional antenna.
        [PJC]

From WordNet (r) 2.0 [wn]:

  directional
       adj 1: relating to or indicating directions in space; "a
              directional microphone" [ant: {omnidirectional}]
       2: relating to direction toward a (nonspatial) goal; "he tried
          to explain the directional trends of modern science"
       3: showing the way by conducting or leading; imposing direction
          on; "felt his mother's directing arm around him"; "the
          directional role of science on industrial progress" [syn:
          {directing}, {directive}, {guiding}]